American White Ash Wood

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American White Ash Wood
Categories:	Wood and Natural Products; Wood; Hardwood
Material Notes:	Ring-Porous Hardwood. Least easy to work with hand tools. Excellent shaping, very good planing, very good steam bending. Data is based on small, clear, air-dried samples unless specified. Property values marked by an asterisk (*) have been taken from an unusually old reference source.
Key Words:	Fraxinus americana; Lumber, Timber
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Physical Properties	Metric	English	Comments

Density	0.550 g/cc	0.0199 lb/in³	Oven Dry Weight/Unseasoned Volume
	0.769 g/cc	0.0278 lb/in³	Unseasoned*
Cell Length	1.20 mm	0.0472 in	Mature Wood

Mechanical Properties	Metric	English	Comments
Hardness, Wood Indentation	4000 N	899 lb (f)	Side. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	4400 N	989 lb (f)	End. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	5900 N	1330 lb (f)	Side
Tensile Strength, Ultimate	4.27 MPa	620 psi	Perpendicular to Grain*
	6.50 MPa	943 psi	Perpendicular to Grain
Modulus of Rupture	0.0627 GPa	9.10 ksi	Static Bending*
	0.106 GPa	15.4 ksi	In Bending
Flexural Yield Strength	33.8 MPa	4900 psi	Fiber Stress at Elastic Limit; Static Bending*
	61.4 MPa	8910 psi	Bending stress at proportional limit
Flexural Modulus	9.31 GPa	1350 ksi	Static Bending*
	12.0 - 12.4 GPa	1740 - 1800 ksi	In Bending
Compressive Strength	5.52 MPa	800 psi	Perpendicular to Grain*
	8.00 MPa	1160 psi	Perpendicular to Grain
	22.3 MPa	3230 psi	Parallel to Grain*
	26.2 MPa	3800 psi	Max Crushing Strength Parallel to Grain*
	51.0 MPa	7400 psi	Parallel to Grain
Poissons Ratio	0.051	0.051	µ_TL, 12% Moisture Content
	0.059	0.059	µ_RL, 12% Moisture Content
	0.36	0.36	µ_TR, 12% Moisture Content
	0.371	0.371	µ_LR, 12% Moisture Content
	0.44	0.44	µ_LT, 12% Moisture Content
	0.684	0.684	µ_RT, 12% Moisture Content
Shear Strength	8.69 MPa	1260 psi	Parallel to Grain*
	13.4 MPa	1940 psi	Orientation Unknown
Impact	5.0	5.0	in-lb/in³; Work to Elastic Limit; Unseasoned Sample; Impact Bending*
	11700	11700	psi; Fiber Stress at Elastic Limit; Unseasoned Sample; Impact Bending*
Work to Elastic Limit	0.00710 J/cm³	1.03 in-lb/in³	Static Bending*
Work to Maximum Load	0.0924 J/cm³	13.4 in-lb/in³	Static Bending*
Cleavage	58.0 kN/m	331 lb/in	Radial surface of failure, Unseasoned*
	61.0 kN/m	348 lb/in	Tangential surface of failure, Unseasoned*

Thermal Properties	Metric	English	Comments
CTE, linear	9.50 µm/m-°C @Temperature 20.0 °C	5.28 µin/in-°F @Temperature 68.0 °F	Axial. Typical value for Ash.
Thermal Conductivity	0.141 W/m-K	0.980 BTU-in/hr-ft²-°F	Oven Dry
	0.173 W/m-K	1.20 BTU-in/hr-ft²-°F	12% Moisture Content
Shrinkage	4.9 %	4.9 %	Radial; Unseasoned to Oven Dry*
	7.9 %	7.9 %	Tangential; Unseasoned to Oven Dry*
	13.2 %	13.2 %	Volumetric; Unseasoned to Oven Dry*

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PTSAM / 71296

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